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[1]孙健飞　李岩松　梁永图.输气管道泄漏速率模型研究进展[J].油气储运,2020,39(01):1-7.
　SUN Jianfei,LI Yansong,LIANG Yongtu.Progress of research on leakage rate model of gas pipeline[J].Oil & Gas Storage and Transportation,2020,39(01):1-7.
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输气管道泄漏速率模型研究进展

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 39 期数: 2020年01期 页码: 1-7 栏目: 出版日期: 2020-01-25
Title:

Progress of research on leakage rate model of gas pipeline

作者:

孙健飞　李岩松　梁永图

Author(s):

SUN Jianfei;  LI Yansong;  LIANG Yongtu

关键词:

输气管道; 泄漏模型; 泄漏速率; 焦耳-汤姆逊效应; 进展

Keywords:

gas pipeline;  leakage model;  leakage rate;  Joule-Thomson effect;  progress

分类号:
TE863
文献标志码:
A
摘要:

输气管道泄漏速率的准确计算是管道风险评价的重要基础。泄漏事故发生后，从泄漏处向管道的上下游传递减压波，管道内外巨大的压力差会产生焦耳-汤姆逊效应令气体温度下降，使气体中的重组分冷凝析出，而泄漏处和管壁处气体的摩阻系数不同导致管道内的流场计算更为困难。通过调研现有的输气管道泄漏速率模型，总结了目前泄漏速率模型的研究进展并分析了各模型的局限性。目前的泄漏速率模型多基于计算流体力学建立，其计算精度优于传统模型，但并不能耦合管道全线的水热力参数变化实时计算泄漏速率，因此开发可用于求解长距离输气管道泄漏模型的算法是未来重要的研究方向。

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更新日期/Last Update: 2020-03-11